Know condom can prevent HIV â Percentage of young women and men (15-24 years) who report through prompted questions that condom use can prevent HIV transmission.

Know healthy-looking person can have HIV â Percentage of young men and women (15-24 years) who know that a healthy-looking person can have the AIDS virus.

Comprehensive knowledge of HIV â Percentage of young women (15-24 years) who correctly identify the two major ways of preventing the sexual transmission of HIV (using condoms andlimiting sex to one faithful, uninfected partner), who reject the two most common local misconceptions about HIV transmission, and who know that a healthy-looking person can have HIV.

Condom use at last high-risk sex â Percentage of young men and women (15-24 years) who say they used a condom the last time they had sex with a non-marital, non-cohabiting partner, ofthose who have had sex with such a partner in the last 12 months.

Children orphaned by AIDS â Estimated number of children (0-14 years) as of end-2001, who have lost one or both parents to AIDS.

Orphan school attendance ratio â Percentage of children (10-14 years) who lost both biological parents and who are currently attending school as a percentage of non-orphaned children of thesame age who live with at least one parent and who are attending school.

Source: Joint United Nations Programme on HIV/AIDS (UNAIDS).

Adults and children living with HIV/AIDS (0-49 years), end-2001 - Estimated number of adults and children living with HIV/AIDS at the end of 2001.